CN112776890A

CN112776890A - All-terrain vehicle and vehicle body thereof

Info

Publication number: CN112776890A
Application number: CN201911061005.4A
Authority: CN
Inventors: 不公告发明人
Original assignee: Nine Intelligent Changzhou Tech Co Ltd
Current assignee: Nine Intelligent Changzhou Tech Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2021-05-11
Also published as: US20220250685A1; US12103589B2; WO2021083374A1

Abstract

The invention discloses an all-terrain vehicle and a vehicle body thereof, wherein the vehicle body comprises: the power assembly comprises a frame, a power assembly and a power assembly, wherein the frame comprises a front part, a middle part and a rear part which are sequentially connected, the rear part is provided with a power cabin for placing the power assembly, the front part comprises a lower mounting frame and an upper supporting frame, the lower mounting frame is connected with the middle part, and the upper supporting frame is detachably connected with the lower mounting frame and the middle part; a seat bracket detachably disposed within the middle portion and defining a mounting space for a plurality of components with a bottom of the middle portion. The vehicle body provided by the embodiment of the invention can reasonably utilize the lower space, is convenient to mount and dismount, has good universality and is convenient for changing the appearance of the vehicle head.

Description

All-terrain vehicle and vehicle body thereof

Technical Field

The invention relates to the technical field of vehicles, in particular to an all-terrain vehicle and a vehicle body thereof.

Background

All-terrain vehicles refer to vehicles capable of traveling on any terrain, and can freely travel on terrains where ordinary vehicles are difficult to maneuver, and are commonly referred to as beach vehicles in China. The vehicle type has multiple purposes, is not limited by road conditions, is widely applied in North America and Western Europe, and tends to rise year by year.

In the related art, in an all-terrain vehicle, a seat support and a frame are generally welded into a whole, and a welded structural member formed by welding the seat support and the frame has a large size, so that the dimensional accuracy is not easy to guarantee, and the utilization of a lower space is hindered. In addition, different locomotive appearances and different additional parts correspond to different frames, and if the locomotive appearances and the additional parts are changed, the frames need to be redesigned, so that the cost is high, and the universality is poor.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention aims to provide an all-terrain vehicle body which can reasonably utilize the lower space, is convenient to mount and dismount, has good universality and is convenient to change the appearance of a vehicle head.

The invention further provides an all-terrain vehicle.

An embodiment according to a first aspect of the invention proposes an all-terrain vehicle body comprising: the power assembly comprises a frame, a power assembly and a power assembly, wherein the frame comprises a front part, a middle part and a rear part which are sequentially connected, the rear part is provided with a power cabin for placing the power assembly, the front part comprises a lower mounting frame and an upper supporting frame, the lower mounting frame is connected with the middle part, and the upper supporting frame is detachably connected with the lower mounting frame and the middle part; a seat bracket detachably disposed within the middle portion and defining a mounting space for a plurality of components with a bottom of the middle portion.

According to the embodiment of the invention, on one hand, the seat support can facilitate the installation and fixation of parts, can reasonably utilize the internal space of the cab, on the other hand, the precision size of the seat support can be ensured, the replacement and maintenance are convenient, and the maintenance and replacement cost of the all-terrain vehicle can be reduced. In addition, the front part of frame includes lower part mounting bracket and upper portion support frame, and wherein the upper portion support frame is the detachable part, can be convenient for change locomotive appearance and install the part additional.

According to some specific embodiments of the invention, the middle portion comprises: the inner longitudinal beam is positioned on the inner side of the outer side pipe, the bottom plate is connected between the outer side pipe and the inner longitudinal beam, and the bottom plate forms the bottom of the installation space.

According to some embodiments of the invention, the number of the inner longitudinal beams is two, the two inner longitudinal beams are arranged transversely opposite to each other, and the two inner longitudinal beams define a mounting space of a transmission shaft of the all-terrain vehicle.

According to some embodiments of the invention, a support bar is connected between the two inner longitudinal beams.

According to some specific embodiments of the invention, the middle portion further comprises: the inner cross beam is connected between the inner longitudinal beam and the outer side tube, the bottom plate is connected between the outer side tube, the inner longitudinal beam and the inner cross beam, a part of the outer side tube, the inner cross beam and a part of the inner longitudinal beam form a groove on the bottom plate, and the groove is a part of the installation space.

According to some specific embodiments of the invention, the middle portion further comprises: the inner oblique beam is connected between the inner longitudinal beam and the outer side pipe and located in front of the inner transverse beam, and the inner oblique beam extends forwards and forwards along the direction from the inner longitudinal beam to the outer side pipe.

According to some specific embodiments of the present invention, the outer pipe includes a plurality of outer pipes connected in series, the outer pipe located on a front side is connected to a front end of the inner side member, and the outer pipe located on a rear side is connected to a rear end of the inner side member.

According to some embodiments of the invention, the plurality of outer tubes comprises: the first outer side pipe, the second outer side pipe and the third outer side pipe are two and are distributed in two, the first outer side pipe is obliquely connected between the inner longitudinal beam and the second outer side pipe, and the third outer side pipe is connected with two, namely the rear end and two ends of the inner longitudinal beam are respectively connected with the second outer side pipe.

According to some specific embodiments of the invention, the middle portion further comprises: a front inclined tube and

the front support frame is connected to the first outer pipe, the front inclined pipe is inclined forwards and extends from bottom to top, the lower end of the front inclined pipe is detachably connected to the joint of the first outer pipe and the second outer pipe, and the upper end of the front inclined pipe is connected to the upper portion of the front support frame.

According to some specific embodiments of the invention, the middle portion further comprises: the rear inclined tube is inclined backwards and extends from bottom to top, the lower end of the rear inclined tube is connected to the rear end of the second outer side tube, and the upper portion of the rear inclined tube is connected with the upper cross beam together.

According to some embodiments of the invention, the first outer tube, the second outer tube, the third outer tube, the forward chute and the aft chute are separate pieces and each has a rectangular cross-section.

According to some embodiments of the invention, the middle portion further comprises a steering wheel bracket connected to the front support frame and a shift bracket welded to the steering wheel bracket.

According to some embodiments of the invention, the body of the all-terrain vehicle further comprises: the anti-rolling frame is arranged on the middle part, and the cab is defined by the anti-rolling frame and the middle part together.

According to some embodiments of the invention, the roll cage comprises: and the side wall lever is connected with the rear inclined tube and is connected with the front inclined tube into a closed ring shape.

According to some specific embodiments of the invention, the side bar comprises: the front upper pipe section extends to the top and the front of the cockpit, and the lower end of the front upper pipe section is connected with the upper end of the front inclined pipe; the rear pipe section extends to the rear part of the cockpit, the upper end of the rear pipe section is connected with the rear end of the front upper pipe section, and the lower part of the rear pipe section is connected to the rear inclined pipe; the lower pipe section extends to the bottom of the cockpit, the front end of the lower pipe section is detachably connected with the lower end of the front inclined pipe, and the rear end of the lower pipe section is detachably connected with the lower end of the rear pipe section.

According to some embodiments of the present invention, the lower pipe section includes a horizontal section and an inclined section connected in sequence, a front end of the horizontal section is detachably connected to a lower end of the front inclined pipe, the inclined section extends obliquely backward and upward from the horizontal section, and a rear end of the inclined section is connected to a lower end of the rear pipe section.

Front brace according to some specific embodiments of the invention, the roll cage further comprises: the side wall bars are two and distributed on two sides of the cockpit, and the side wall bars are connected between the two side wall bars.

According to some embodiments of the invention, the rear portion includes two lower side beams, each of the two lower side beams being connected to the rear portion of the central portion, and the distance between the two lower side beams decreases from front to rear.

According to some embodiments of the invention, the front ends of the two lower side beams are connected with a third outer pipe, and the third outer pipe is provided with a front mounting piece for mounting the power assembly.

According to some embodiments of the present invention, a rear side sill is connected between each of the lower side sills and the third outer side tube.

According to some specific embodiments of the present invention, a middle cross beam is further connected between the two lower side beams, and the middle cross beam is provided with a rear mounting member for mounting the power assembly.

According to some embodiments of the invention, the power assembly includes an engine, and the rear mounting members are two and spaced apart.

According to some embodiments of the invention, a detachable differential carrier is connected between the two lower side beams.

According to some embodiments of the invention, a rear floor is connected between the two lower edge beams.

According to some embodiments of the present invention, the rear bottom plate is configured with two longitudinal reinforcing ribs and a plurality of transverse reinforcing ribs, a distance between the two longitudinal reinforcing ribs gradually increases from rear to front, the plurality of transverse reinforcing ribs are arranged at intervals along the front-rear direction, two ends of each transverse reinforcing rib are respectively connected to the two longitudinal reinforcing ribs, the transverse reinforcing ribs are provided with differential mounting holes, and the longitudinal reinforcing ribs are provided with pits.

According to some embodiments of the invention, the rear portion further comprises two upper side beams, the two upper side beams are connected to the rear portion of the middle portion, the two upper side beams are located above the two lower side beams, and the distance between the two upper side beams decreases from front to back.

According to some specific embodiments of the invention, a detachable middle cross bar is further arranged between the two roof side rails, the middle cross bar is provided with a top mounting piece for mounting a power assembly, the power assembly comprises an engine, and the top mounting piece is used for fixing a cylinder head of the engine.

According to some specific embodiments of the present invention, a rear upper cross beam and a detachable lateral bracket are disposed between the two upper side beams, two ends of the rear upper cross beam are respectively connected to rear ends of the two upper side beams, the lateral bracket is located in front of the rear upper cross beam, and the rear upper cross beam is provided with a silencer upper mounting plate.

According to some embodiments of the invention, a rear rocker left rear mounting vertical beam is connected between the upper side beam and the lower side beam on one side, and the lower side beam is provided with a rear rocker left front mounting plate which is positioned in front of the rear rocker left rear mounting vertical beam and is disconnected from the upper side beam; and a rear rocker arm right rear mounting vertical beam is connected between the upper edge beam and the lower edge beam on the other side, and the lower edge beam is provided with a rear rocker arm right rear mounting vertical beam front mounting plate disconnected with the upper edge beam.

According to some specific embodiments of the present invention, the lower side beam on one side is provided with a left reinforcing plate connecting the rear rocker left front mounting plate and the rear rocker left rear mounting vertical beam; and the lower edge beam positioned on the other side is provided with a right reinforcing plate which is connected with the rear rocker arm right front mounting plate and the rear rocker arm right rear mounting vertical beam.

According to some embodiments of the invention, the body of the all-terrain vehicle further comprises: the left rear suspension comprises a left axle support, an upper left rocker arm, a lower left rocker arm and a left shock absorber, the upper left rocker arm, the lower left rocker arm and the left shock absorber are all connected to the left axle support, the front end of the upper left rocker arm and the front end of the lower left rocker arm are mounted on a front left mounting plate of the rear rocker arm, the rear end of the upper left rocker arm and the rear end of the lower left rocker arm are mounted on a rear left mounting vertical beam of the rear rocker arm, and the upper end of the left shock absorber is mounted on a corresponding upper edge beam; the right rear suspension comprises a right wheel axle support, an upper right rocker arm, a lower right rocker arm and a right shock absorber, the upper right rocker arm, the lower right rocker arm and the right shock absorber are connected to the right wheel axle support, the front end of the upper right rocker arm and the front end of the lower right rocker arm are mounted on the front right mounting plate of the rear rocker arm, the rear end of the upper right rocker arm and the rear end of the lower right rocker arm are mounted on a vertical beam mounted on the right rear of the rear rocker arm, and the upper end of the right shock absorber is mounted on a corresponding upper edge beam.

According to some embodiments of the present invention, a rear stabilizer left mounting seat is disposed at a lower end of the rear rocker left rear mounting vertical beam, a rear stabilizer right mounting seat is disposed at a lower end of the rear rocker right rear mounting vertical beam, a rear stabilizer is connected between the rear stabilizer left mounting seat and the rear stabilizer right mounting seat, and two ends of the rear stabilizer are respectively connected to the left lower rocker and the right lower rocker through a connecting rod.

According to some specific embodiments of the present invention, a left mounting plate is disposed at a lower end of the left rear mounting vertical beam of the rear rocker arm, a right mounting plate is disposed at a lower end of the right rear mounting vertical beam of the rear rocker arm, and a towing mounting seat is disposed between the left mounting plate and the right mounting plate.

According to some embodiments of the invention, the left mounting plate is provided with a left avoidance hole, the right mounting plate is provided with a right avoidance hole, and the rear stabilizer bar passes through the left avoidance hole and the right avoidance hole.

According to some embodiments of the present invention, a lower muffler mounting plate is further disposed between the left mounting plate and the right mounting plate, and the lower muffler mounting plate is located above the towing mounting seat.

According to some embodiments of the invention, the distance between the rear rocker arm left rear mounting vertical beam and the rear rocker arm right rear mounting vertical beam decreases from top to bottom.

According to some specific embodiments of the present invention, an upper cross beam is connected between the front ends of the two upper side beams, and the upper cross beam and the upper side beam located on the right side are provided with a controller bracket on which a controller is mounted.

According to some embodiments of the invention, the lower mount comprises: the rocker arm bracket and the bottom metal plate; the middle portion further comprises: the rocker arm bracket is connected to the front end of the bottom metal plate and the front end of the front support frame; the lower end of the upper supporting frame is detachably mounted on the bottom metal plate, and the rear end of the upper supporting frame is detachably mounted on the front supporting frame.

Embodiments according to the second aspect of the invention propose an all-terrain vehicle comprising a body of the all-terrain vehicle according to embodiments of the first aspect of the invention.

According to the all-terrain vehicle disclosed by the embodiment of the invention, the vehicle body of the all-terrain vehicle disclosed by the embodiment of the first aspect of the invention has the advantages of high space utilization rate, convenience in assembly and disassembly, convenience in change of the shape of the vehicle head and the like.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 and 2 are schematic views from different angles of the frame of the body of an all-terrain vehicle according to an embodiment of the invention.

Fig. 3 and 4 are schematic views of different angles of the frame, roll cage and seat of the body of an all-terrain vehicle according to an embodiment of the invention.

Fig. 5 is a schematic layout of the powertrain of the body of an all-terrain vehicle according to an embodiment of the present invention.

Fig. 6 is an exploded view of a rear portion of the frame of the body of an all-terrain vehicle according to an embodiment of the invention.

Fig. 7 and 8 are schematic views of the rear portion of the frame of the body of an all-terrain vehicle according to an embodiment of the invention at different angles.

Fig. 9 is a schematic view of the rear floor of the body of an all-terrain vehicle according to an embodiment of the present invention.

Fig. 10 is a schematic layout of a hybrid powertrain of the body of an all-terrain vehicle according to an embodiment of the present invention.

Fig. 11 is a schematic layout of an extended range powertrain of a body of an all-terrain vehicle according to an embodiment of the present invention.

Fig. 12 is a schematic layout of the fuel-fired power train of the body of an all-terrain vehicle according to an embodiment of the present invention.

Fig. 13 is a schematic view of the rear suspension arrangement of the body of an all-terrain vehicle according to an embodiment of the invention.

Fig. 14 is a schematic layout of a muffler of the body of an all-terrain vehicle according to an embodiment of the present invention.

Fig. 15 is a schematic structural view of a front portion of the frame of the body of an all-terrain vehicle according to an embodiment of the present invention.

Reference numerals:

a cockpit (10); a power pod 20; a frame 30; a front portion 31; a rocker arm stand 311; a bottom sheet metal 312; a lower mounting frame 313; an upper support bracket 314;

a middle portion 32; an outer tube 321; inner stringers 322; a bottom plate 323; support strips 324; an inner cross member 325; a front support shelf 326; the inner stringer 351;

a first outer tube 327; a second outer tube 328; a front down tube 328 b; a rear down tube 328 c;

a third outer tube 329;

a rear portion 33; the lower edge beam 331; the intermediate cross member 332; a rear mount 333; the roof side rail 334; a middle crossbar 335; a top mount 336; a rear floor 339; longitudinal reinforcing ribs 3391; a transverse reinforcing rib 3392; differential mounting holes 3393; a recess 3394; a controller bracket 340; an upper cross member 341; a rear side sill 342; a front mount 351; a differential carrier 352; a rear upper cross member 353; a transverse bracket 354; a muffler upper mounting plate 355;

a steering wheel holder 361; a shift bracket 362;

a vertical beam 371 is arranged at the left rear part of the rear rocker arm; a rear rocker left front mounting plate 372; a vertical beam 373 is arranged at the right rear of the rear rocker arm; a rear rocker arm right front mounting plate 374; a left reinforcement plate 375; a right reinforcing plate 376;

a roll cage 60; a side surrounding bar 610; an upper front pipe section 611; a rear tube section 612; a lower pipe section 613; a horizontal segment 6131; an inclined section 6132; a front bracket 614; a connecting elbow 615; a front top bar 621; rear top bar 622; a rear rest bar 623; a rear bottom bar 624;

a left rear suspension 380; a left axle support 381; a left upper rocker arm 382; a left lower rocker arm 383; a left shock absorber 384;

a right rear suspension 390;

a rear stabilizer bar left mount 410; a rear stabilizer bar right mount 420; a rear stabilizer bar 430; a connecting rod 440; a left mounting plate 450; a left relief aperture 451; a right mounting plate 460; a right relief hole 461; a hitch mount 470; a muffler lower mounting plate 480;

a seat support 40; a driver seat 501; a passenger seat 502; a middle seat 503; a seat cushion 51; a backrest 52; a fastening location 510; a snap bracket 520; an inverted U-shaped bracket 530; a driver seat boss 540; a hanger 550; a passenger seat tab 560;

a power assembly 200; an engine 211; a rear drive shaft 212; a differential 213; a CVT transmission system 214; a front engine leg 215; an engine rear foot 216; a generator 217; an intake manifold 218; a cylinder head 219; an exhaust port 2191;

a power take-off system 221; a motor 222; a transmission case 223;

a gear case 231;

a rear hitch 300; a muffler 400 controller.

Detailed Description

Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.

An all-terrain vehicle according to an embodiment of the invention, which is a side-by-side all-terrain vehicle having side-by-side seating, is described below with reference to fig. 1-15.

As shown in FIG. 5, a side-by-side ATV according to an embodiment of the present invention may include: a vehicle body and a powertrain 200, wherein the powertrain 200 may be of a hybrid, extended range or fuel type, the powertrain 200 and its arrangement being described in detail in the embodiments of the invention that follow.

Of course, in some embodiments of the present invention, the side-by-side ATV may also include a left rear suspension 380, a right rear suspension 390, a rear stabilizer bar 430, a rear hitch 300, a muffler 400, and the like.

As shown in fig. 1 to 3, the vehicle body includes a cabin 10 and a power cabin 20, and the power cabin 20 is located behind the cabin 10, that is, the vehicle body is divided into two cabins at least in the front-rear direction, wherein the cabin located on the front side is the cabin 10, and the cabin 10 is used for a driver and passengers to ride, and the driver can perform driving operation in the cabin. The power compartment 20 is located behind the cockpit 10, and the power compartment 20 is used for placing and fixing the powertrain 200.

Therefore, by arranging power assembly 200 in power compartment 20, power assembly 200 can be isolated outside cockpit 10, the working noise transmitted from power assembly 200 to cockpit 10 can be reduced, and the driving comfort of the all-terrain vehicle can be improved.

Wherein, the automobile body includes: a frame 30 and a seat bracket 40, the frame 30 comprising a front portion 31, a middle portion 32 and a rear portion 33, the front portion 31 being used for arranging a steering system, a front axle and a front suspension system, etc. Middle part

32 form part of the cockpit 10, the middle portion 32 mainly forms the bottom structure of the cockpit 10, the seat support 40 is disposed in the middle portion 32 and located inside the cockpit 10, and seats (such as a driver seat 501, a passenger seat 502, and a middle seat 503) are mounted and fixed on the seat support 40, and a driver and a passenger can sit on the respective seats. The rear portion 33 constitutes at least a part of the power pod 20, that is, the rear portion 33 may constitute only a part of the power pod 20 or may constitute the entirety of the power pod 20.

Further, the seat holder 40 is detachably provided in the middle portion 32, and defines a mounting space for a plurality of components with the bottom of the middle portion 32. The parts can include power batteries or other parts, the installation space can be a plurality of, different parts can be respectively placed in a plurality of installation spaces, the same parts can also be respectively placed in a plurality of installation spaces, and the installation spaces can be selected according to actual needs. The seat support 40 that so sets up can make things convenient for the installation of part to be fixed on the one hand, can make reasonable use of cockpit 10 inner space, and on the other hand can guarantee the precision size of seat support 40 self to and conveniently change the maintenance, can reduce the maintenance replacement cost of all terrain vehicle.

For example, a power battery is provided between the seat support 40 and the bottom of the middle portion 32. In other words, the seat support 40 and the middle portion 32 of the frame 30 together define a space for installing the power battery, the arrangement of the seat and the seat support 40 is not affected by the power battery, the lower space of the seat support 40 can be effectively utilized, and the space utilization rate of the cab 10 can be improved. In addition, the detachable seat support 40 can be adopted to greatly facilitate the installation and the detachment of the power battery.

In some embodiments of the invention, as shown in fig. 1 and 15, the front portion 31 includes a lower mounting bracket 313 and an upper support bracket 314, the upper support bracket 314 being positioned above the lower mounting bracket 313, the lower mounting bracket 313 being connected to the middle portion 32, the upper support bracket 314 being removably connectable to both the lower mounting bracket 313 and the middle portion 32. Therefore, the front portion 31 is provided with the lower mounting frame 313 and the upper support frame 314, and the upper support frame 314 is a detachable component, so that different vehicle heads (such as vehicle heads with different heights) and other components (such as a front cargo platform) can be changed by replacing the upper support frame 314, and the appearance of the whole vehicle can be changed conveniently.

More specifically, as shown in fig. 1 and 15, the lower mounting frame 313 includes: the swing arm support 311 and the bottom metal plate 312, the swing arm support 311 is connected with the front end of the bottom metal plate 312 and the front end of the front support bracket 326. The rocker arm bracket 311 is used for mounting the inner ends of the front upper rocker arm and the front lower rocker arm (not shown in the figure), and the rocker arm bracket 311 can simultaneously mount the inner ends of the two upper rocker arms and the inner ends of the two lower rocker arms, so that the mounting difficulty of the upper rocker arm and the lower rocker arm can be reduced, and the rocker arm bracket is simple in structure and light in weight. The bottom sheet metal 312 may be used to support and fix a differential of a front axle, which may ensure the mounting reliability of the differential.

The lower end of the upper support bracket 314 is removably mounted to the bottom sheet metal 312 and the rear end of the upper support bracket 314 is removably mounted to the front support bracket 326. For example, the top support frame 314 and the bottom metal plate 312 are installed through two mounting points P, the top support frame 314 and the front support frame 326 are installed through two mounting points P, two vertical beams in the front of the top support frame 314 are installed with the bottom metal plate 312 through bolts and nuts respectively (if each mounting point P adopts a front set of bolts and nuts and a rear set of bolts and nuts), and two longitudinal beams in the upper portion of the top support frame 314 are installed with the front support frame 326 through bolts and nuts respectively (if each mounting point P adopts a left set of bolts and nuts and a right set of bolts and nuts).

The following detailed description will be made with respect to the middle portion 32, the rear portion 33, and the front portion 31, respectively.

According to one embodiment of the present invention, as shown in fig. 1 and 2, the middle portion 32 includes: the side frame comprises an outer side pipe 321, an inner longitudinal beam 322 and a bottom plate 323, wherein the inner longitudinal beam 322 is positioned on the inner side of the outer side pipe 321, the bottom plate 323 is connected between the outer side pipe 321 and the inner longitudinal beam 322, and the bottom plate 323 forms the bottom of the installation space. It will be appreciated that the outer side tubes 321 define the bottom outer edges of the central portion 32, the inner longitudinal beams 322 extend in the fore-and-aft direction, and the inner longitudinal beams 322 are connected at both ends to the outer side tubes 321, which serve internally to reinforce the structural strength of the central portion 32, and the bottom plate 323 can serve as a support. The middle part 32 thus arranged ensures stability of the structure of the bottom of the cabin 10.

Further, the outer side tube 321 includes a plurality of outer side tubes 321, the plurality of outer side tubes 321 are connected in sequence, the outer side tube 321 located on the front side is connected to the front end of the inner side member 322, and the outer side tube 321 located on the rear side is connected to the rear end of the inner side member 322. The use of a plurality of outer tubes 321 makes it possible to define the specific shape of the bottom part of the cockpit 10 and thus to make the structural arrangement of the middle part 32 reasonable.

Specifically, the plurality of outer tubes 321 includes: first outside pipe 327, second outside pipe 328 and third outside pipe 329, first outside pipe 327 and second outside pipe 328 are two, and two first outside pipes 327 and two second outside pipes 328 all distribute in the outside of two interior longerons 322, and first outside pipe 327 connects between the front end of interior longeron 322 and second outside pipe 328 aslope, and third outside pipe 329 is connected at the rear end of two interior longerons 322, and third outside pipe 329 both ends link to each other with the rear end of two second outside pipes 328 respectively. From this, choose for use three kinds of outside pipes 321 can inject the bottom of middle part 32, and many outside pipes 321 that so set up are whole arrange rationally moreover, and structural strength is high, can effectively separate cockpit 10 and power compartment 20. The two outer pipes 321 connected to each other may be welded together.

As shown in fig. 1 and 2, the middle portion 32 further includes: the front support frame 326 is connected to the first outer side tube 327, the front inclined tube 328b extends forwards from bottom to top, the lower end of the front inclined tube 328b is detachably connected to the connection position of the first outer side tube 327 and the second outer side tube 328, and the upper end of the front inclined tube 328b is connected to the upper portion of the front support frame 326. The front inclined tube 328b is provided to effectively reinforce the structural strength of the middle portion 32, and the front inclined tube 328b is provided to effectively protect the driver and the passenger in the cockpit 10, thereby improving the safety of the driver and the passenger.

As shown in fig. 1 and 2, the middle portion 32 further includes two rear inclined tubes 328c, the two rear inclined tubes 328c are both inclined and extend from bottom to top, the lower ends of the two rear inclined tubes 328c are respectively connected to the rear ends of the two second outer side tubes 328, and the upper portions of the two rear inclined tubes 328c are connected to the upper beam 341. Therefore, the rear inclined tube 328c is obliquely arranged backwards, the structural strength of the middle part 32 can be effectively enhanced by the arrangement of the rear inclined tube 328c, a driver and passengers in the cab 10 can be effectively protected, and the riding safety of the driver and the passengers can be improved. In addition, the upper cross member 341 may separate the cockpit 10 and the power module 20, and may ensure safety of the driver and the passengers. Upper cross member 341 may also function to mount seat frame 40.

The first outer tube 327, the second outer tube 328, the third outer tube 329, the front inclined tube 328b and the rear inclined tube 328c are each a separate piece, and each has a rectangular cross section. With this arrangement, the structural stability of the vehicle body frame 30 can be improved.

In some embodiments of the present invention, as shown in fig. 1 and 2, the middle portion 32 further comprises: steering wheel support 361 and shift bracket 362, steering wheel support 361 connects in front portion support frame 326, shift bracket 362 and steering wheel support 361 are in the same one side of arranging in the left and right direction, for example arrange in the left side, and shift bracket 362 and steering wheel support 361 weld an organic whole, from this, increase the intensity of shift bracket 362 and pivot, avoid gearshift to rock.

In some embodiments of the present invention, as shown in fig. 1 and 2, there are two inner longitudinal beams 322, two inner longitudinal beams 322 are transversely arranged opposite to each other, and two inner longitudinal beams 322 define a mounting space for a transmission shaft of an all-terrain vehicle. That is to say, the space between two inner longitudinal beams 322 is the installation space of transmission shaft, and two inner longitudinal beams 322 can be when promoting frame 30 bottom structural strength, can also keep apart transmission shaft and other parts like this to can guarantee the installation reliability of transmission shaft.

Optionally, as shown in fig. 1 and 2, a support bar 324 is connected between the two inner longitudinal beams 322. The supporting bars 324 are used for supporting the transmission shaft, a bearing and a bearing seat may be disposed on the transmission shaft, the supporting bars 324 are used for supporting and fixing the bearing seat, and mounting holes for fixing the bearing seat may be disposed at the left and right ends thereof.

Wherein the bottom of the middle portion 32 is provided with a recess in which a power cell or other component may be disposed. The groove can be used for facilitating the installation and fixation of the power battery or other components, can accommodate the bottom of the power battery or other components, and can also be used for providing mounting points for the power battery or other components, so that the installation reliability of the power battery or other components can be better ensured.

Specifically, as shown in fig. 1 and 2, the middle portion 32 may further include: the inner cross beam 325, the inner cross beam 325 are connected between the inner longitudinal beam 322 and the outer side tube 321, the bottom plate 320 is connected between the second outer side tube 328, the third outer side tube 329, the inner longitudinal beam 322 and the inner cross beam 325, a part of the second outer side tube 328, a part of the third outer side tube 329, the inner cross beam 325 and a part of the inner longitudinal beam 322 form a groove on the bottom plate 323, and the groove is a part of the installation space. The arrangement of the inner cross member 325 can effectively restrict the degree of freedom of the components, and can ensure the reliability of the placement of the components under the seat frame 40.

Further, the all-terrain vehicle may further comprise: and the storage box is arranged inside the seat support 40 and is positioned above the power battery. That is, storage boxes are provided below the seat and above the power battery. The storage box arranged in this way can reasonably utilize the space at the position of the seat support 40, the space utilization rate of the cockpit 10 can be improved, and the storage box arranged in this way can be convenient for a driver and a passenger to take and place articles.

To further strengthen the bottom structural strength of the middle portion 32, the middle portion 32 further comprises: and an inner oblique beam 351, wherein the inner oblique beam 351 is connected between the inner longitudinal beam 322 and the second outer side tube 328 and is positioned in front of the inner transverse beam 325, and the inner oblique beam 351 extends forwards in the direction from the inner longitudinal beam 322 to the second outer side tube 328.

In some embodiments of the present invention, as shown in fig. 3 and 4, the vehicle body further includes: and the roll-preventing frame 60 is arranged on the middle part 32, and the roll-preventing frame 60 and the middle part 32 jointly define the cab 10, so that the safety of people in the cab 10 is improved, and the off-road capability of the all-terrain vehicle is indirectly improved.

Specifically, as shown in fig. 3, the roll cage 60 includes: the side wall bar 610, the side wall bar 610 is connected with the rear inclined tube 328c, and the side wall bar 610 is connected with the front inclined tube 328b to form a closed ring shape, so that the structural strength is further improved, and the safety is further improved.

More specifically, the side surrounding bar 610 includes: a front upper tube section 611, a rear tube section 612 and a lower tube section 613.

A front upper pipe section 611 extends at the top and front of the cabin 10, and the lower end of the front upper pipe section 611 is connected to the upper end of the front down tube 328 b. A rear tube section 612 extends at the rear of the cab 10, an upper end of the rear tube section 612 is connected to a rear end of the front upper tube section 611, and a lower portion of the rear tube section 612 is connected to the rear down tube 328 c. A lower duct section 613 extends at the bottom of the cab 10, a front end of the lower duct section 613 is detachably connected to a lower end of the front chute 328b, and a rear end of the lower duct section 613 is detachably connected to a lower end of the rear duct section 612.

Therefore, the overall shape of the cockpit 10 is constructed by the front upper pipe section 611, the rear pipe section 612, the lower pipe section 613 and the front inclined pipe 328b, and the lower pipe section 613 is exposed outside in the whole vehicle, and the lower pipe section 613 can be detached, so that the lower pipe section 613 can be conveniently and independently painted, the appearance of the all-terrain vehicle is diversified, and in addition, the lower pipe section 613 can be detached, and the packaging and the transportation can be convenient.

The front upper tube segment 611 and the rear tube segment 612 and the lower tube segment 613 are respectively connected through the connecting bent tube 615, so that the overall shape of the side wall bar 610 can be defined, the bending structure is convenient to form, and the processing and manufacturing difficulty of the front upper tube segment 611, the rear tube segment 612 and the lower tube segment 613 is reduced.

As shown in fig. 3, the lower pipe section 613 includes a horizontal section 6131 and an inclined section 6132 connected in sequence, the horizontal section 6131 and the inclined section 6132 are integrally formed, the front end of the horizontal section 6131 is detachably connected with the lower end of the front inclined pipe 328b, the inclined section 6132 extends from the horizontal section 6131 in a backward and upward inclined manner, and the rear end of the inclined section 6132 is connected with the lower end of the rear inclined pipe 328c, so that the arrangement of the inclined section 6132 can not only improve the overall structural strength, but also better protect the personnel in the cockpit 10.

In order to further improve the reliability of the lower pipe segment 613, the lower pipe segment 613 is further detachably connected to the outer pipe 321, and specifically, the horizontal segment 6131 of the lower pipe segment 613 is detachably connected to the second outer pipe 328, as shown in fig. 3, the horizontal segment 613 is mounted to the second outer pipe 328 by two bolts, and the two bolts are spaced apart along the length direction of the horizontal segment 613.

Further, as shown in fig. 3, the side wall bar 610 further includes: front support 614, the lower extreme of preceding upper tube section 611 passes through front support 614 and links to each other with the upper end of preceding pipe chute 328b, and front support 614 and preceding upper tube section 611 and preceding pipe chute 328b all can be dismantled and be connected, can make things convenient for front support 614 to spray paint alone from this to the outward appearance of diversified all terrain vehicle, in addition, front support 614 can be dismantled and also can conveniently pack and transport.

In some embodiments of the present invention, as shown in fig. 3, the roll cage 60 further includes: two side surrounding bars 610 are distributed on both sides (i.e., left and right sides) of the cockpit 10, and a plurality of the bars are connected between the two side surrounding bars 610.

Specifically, the plurality of bars includes: front top bar 621, rear top bar 622, rear support bar 623 and rear bottom bar 624, front top bar 621 and rear top bar 622 being located at the top of cabin 10, and front top bar 621 being located in front of rear top bar 622, rear support bar 623 and rear bottom bar 624 being located at the rear of cabin 10, and rear bottom bar 624 being located below rear support bar 623. Thereby, the entire frame of the roll cage 60 is constructed and has a good rolling resistance, and in addition, a stable mounting skeleton is provided for the setting of the ceiling.

In order to increase the force bearing capacity and the area of the reclining lever 623, the reclining lever 623 may be configured like an X-shaped structure and horizontally arranged in the left-right direction.

In some specific examples of the present invention, as shown in fig. 3 and 4, the vehicle body further includes: the seat comprises a seat cushion 51 and a backrest 52, wherein the seat cushion 51 is mounted on the seat support 40, and the backrest 52 is connected with the rear bottom cross bar 624, so that the leaning capacity of the backrest 52 is increased, and the comfort and the safety of people are improved.

Specifically, the seat is detachably mounted on the seat holder 40. The seat arranged in this way is convenient to mount and dismount, so that the seat can be conveniently replaced and maintained. Wherein the seat includes a seat cushion 51 and a backrest 52, the seat cushion 51 being detachably mounted on the seat frame 40, and the backrest 52 being detachably mounted on the seat cushion 51. Thus, the seat cushion 51 and the backrest 52, which are separated from each other, can be manufactured separately from the seat cushion 51 and the backrest 52, and the angle of the backrest 52 can be easily adjusted.

Wherein the seat may include: a driver's seat 501, a passenger seat 502 and a middle seat 503, the middle seat 503 being located between the driver's seat 501 and the passenger seat 502.

The mounting structure of each seat will be described in detail below.

As shown in fig. 4, in the middle seat 503, the backrest 52 of the middle seat 503 can be turned with respect to the seat cushion 51, the backrest 52 of the middle seat 503 is provided with a catch 510, and the rear floor bar 624 is provided with a catch bracket 520 for catching the catch 510. Thus, when a passenger normally sits on the middle seat 503, the backrest 52 can be turned upwards, and the buckle bracket 520 is buckled with the buckle position 510 to fix the position of the backrest 52; in some special cases, the latch 510 and the latch bracket 520 may be disengaged to turn the backrest 52 over for use as a shelf or a hand rest.

As shown in fig. 4, with respect to the driver seat 501, the seat support 40 is provided with an inverted U-shaped bracket 530, the back rest 52 of the driver seat 501 is supported rearward on the inverted U-shaped bracket 530, for example, the rear surface of the back rest 52 is provided with a corresponding inverted U-shaped groove, the inverted U-shaped bracket 530 is fitted in the inverted U-shaped groove, and the back rest 52 of the driver seat 501 is provided with driver seat projections 540 (for example, connected by bolts) connected to the rear bottom cross bar 624, and the driver seat projections 540 may be two and arranged at intervals in the left-right direction. Thus, the driver seat 501 can be reliably fixed, and the driving safety of the driver is ensured.

As shown in fig. 4, for the passenger seat 502, the reclining bar 623 is provided with a hanger 550, the upper portion of the backrest 52 of the passenger seat 502 is hung on the hanger 550, the lower portion of the backrest of the passenger seat 502 is provided with passenger seat protrusions 560 connected to the reclining bar 624 (for example, by bolts), and the passenger seat protrusions 560 may be two and spaced apart in the left-right direction. Thus, the passenger seat 502 can be reliably fixed, and the driving safety of the passenger is ensured.

In some specific examples of the invention, the all-terrain vehicle may further comprise: a controller disposed within power compartment 20, i.e., a controller disposed within rear portion 33 of frame 30, which may be electrically connected to powertrain 200. The controller can know the working state of the power assembly 200 and then reasonably control the power assembly 200 to work according to the known information. And through setting up the controller in power compartment 20, on the one hand can the rational utilization power compartment 20 space, on the other hand can make things convenient for the controller to connect power assembly 200 simultaneously. The controller may be located in the upper right of the powertrain 200.

Specifically, as shown in fig. 1 and 2, the rear portion 33 includes two roof rails 334, an upper cross member 341 is connected between front ends of the two roof rails 334, and the upper cross member 341 and the roof rail 334 on the right side are provided with a controller bracket 340 on which a controller is mounted. That is, the controller is mounted not only on the upper side rail 334 on the right side but also on the upper side rail 341 on the front side, and the controller thus provided is highly reliable in mounting. The controller support 340 may be a plurality of, for example, three, one of the three controller supports 340 is disposed on the right-side roof rail 334, and the other two controller supports 340 are disposed on the right-half portion of the roof rail 341, so that the controller using three-point fixing has better stability.

As shown in fig. 1 and 2, the rear portion 33 includes two lower side beams 331, the two lower side beams 331 are located below the two upper side beams 334, the two lower side beams 331 are connected to the rear portion of the middle portion 32, for example, the third outer tube 329, and the distance between the two lower side beams 331 decreases from front to rear. The two lower side beams 331 arranged in this way can gradually reduce the space of the power compartment 20, so that the power assembly 200 can be better installed and fixed in the power compartment 20, and the structure of the power assembly is simpler. Wherein, the distance between the two upper edge beams 334 decreases from front to back. Two roof side rails 334 that set up like this can effectively support and fixed goods fill, can inject the power compartment 20 with two roof side rails 331 better moreover, can make the power compartment 20 space suitable, can rationally place power assembly 200.

In some embodiments of the present invention, as shown in fig. 1, 2, 5-8, the front ends of the two lower side beams 331 are connected to a third outer pipe 329, and the third outer pipe 329 is provided with a front mounting member 351 for mounting the powertrain 200.

In addition, a middle cross beam 332 is connected between the two lower side beams 331, and the middle cross beam 332 is provided with a rear mounting part 333 for mounting the power assembly 200.

The third outer tube 329 and the middle cross member 332 may serve to support and secure the powertrain 200. The front mounting members 351 may be connected to a front engine leg of the powertrain 200, the rear mounting members 333 may be two and spaced apart in the left-right direction on the middle cross member 332, and the two rear mounting members 333 may be connected to a rear engine leg of the powertrain 200. The engine of the powertrain 200 is thus stably fixed.

Further, in order to reinforce the bottom structural strength of the rear portion 33 and thereby more reliably carry the power assembly 200, a rear side sill 342 is connected between each of the side sills 331 and the third outer tube 329, the rear side sill 342 may extend in the front-rear direction, the front end of the rear side sill 342 is connected to the third outer tube 329, and the rear end of the rear side sill 342 is connected to the side sill 331.

In a further embodiment of the present invention, as shown in fig. 1, 2, 5-8, a detachable differential carrier 352 is connected between the two lower side beams 331, and the differential carrier 352 can be mounted by bolts to connect the middle portion of the rear portion 33 to the left and right, thereby increasing the left and right rigidity and strength of the frame 30, and providing a fixed carrier for the differential, and increasing the firmness of the assembly of the differential on the frame 30.

Further, a rear floor 339 is connected between the two lower side beams 331. The rear floor 339 may further carry a differential, and installation reliability of the rear floor 339 may be ensured by disposing the rear floor 339 between the two rocker beams 331.

Specifically, as shown in fig. 9, the rear floor 339 is configured with two longitudinal reinforcing ribs 3391 and a plurality of transverse reinforcing ribs 3392, the distance between the two longitudinal reinforcing ribs 3391 gradually increases from the rear to the front, the plurality of transverse reinforcing ribs 3392 are arranged at intervals along the front-rear direction, two ends of each transverse reinforcing rib 3392 are respectively connected with the two longitudinal reinforcing ribs 3391, a differential mounting hole 3393 is arranged on each transverse reinforcing rib 3392, and a concave pit 3394 is arranged on each longitudinal reinforcing rib 3391.

The rear bottom plate 339 can be formed by stamping an integral sheet metal part, the two longitudinal reinforcing convex ribs 3391 with the cross sections in a shape like a Chinese character 'ji' are arranged in bilateral symmetry, each longitudinal reinforcing convex rib 3391 and a central line included angle a extending in the front-back direction form an angle distribution, a can be 5-25 degrees, preferably 15 degrees, and meanwhile, concave pits 3394 are further formed in the longitudinal reinforcing convex ribs 3391 to play a role in locally increasing strength. The rear base plate 339 is provided with two transverse reinforcing ribs 3392 having a cross section in a shape of a Chinese character 'ji' in the transverse direction, and each transverse reinforcing rib 3392 is provided with two differential mounting holes 3393 for connecting with a differential. The rear bottom plate 339 is high in function integration level, reliable in integrated forming precision, light in weight and low in comprehensive cost.

In some specific examples of the present invention, as shown in fig. 5, 6, 8 and 14, a rear upper cross member 353 and a detachable lateral bracket 354 are provided between the two upper cross members 334, both ends of the rear upper cross member 353 are respectively connected to rear ends of the two upper cross members 334, the lateral bracket 354 is positioned in front of the rear upper cross member 353, and the rear upper cross member 353 is provided with a muffler upper mounting plate 355. For example, the cross bracket 354 may be mounted by bolts and nuts, the cross bracket 354 and the rear upper cross member 353 enhance the lateral strength of the rear upper portion of the frame 30, and the cross bracket 354 may be detachable, thereby facilitating the integral hoisting of the powertrain 200, and the rear upper cross member 353 also provides an upper mounting point for the muffler 400.

Further, as shown in fig. 1, a detachable middle cross bar 335 is further disposed between the two top side beams 334, the middle cross bar 335 is provided with a top mounting member 336 for mounting the power assembly 200, the top mounting member 336 is used for fixing a cylinder head of the engine 220, and the top mounting member 336 is a cylinder head lifting lug. That is, the power assembly 200 can better ensure the stability of the power module 20 by installing and fixing the engine cylinder head through the top mounting component 336 on the basis of the installation and fixing of the bottom of the engine of the power assembly 200. Top mount 336 may be provided with a shock block to reduce the vibrations transmitted by the engine to frame 30.

In some embodiments of the present invention, as shown in fig. 1, 2, 6-8, a rear swing arm left rear mounting vertical beam 371 is connected between the rocker 331 and the rocker 334 on one side (e.g., left side), and the rocker 331 is provided with a rear swing arm left front mounting plate 372 located in front of the rear swing arm left rear mounting vertical beam 371, the rear swing arm left front mounting plate 372 being disconnected from the rocker 334, i.e., the rear swing arm left front mounting plate 372 is disconnected from the rocker 334 above it.

A rear rocker arm right rear mounting vertical beam 373 is connected between the rocker arm 334 and the rocker arm 331 on the other side (e.g., the right side), and the rocker arm 331 is provided with a rear rocker arm right front mounting plate 374 located in front of the rear rocker arm right rear mounting vertical beam 373, the rear rocker arm right front mounting plate 374 being disconnected from the rocker arm 334, i.e., the rear rocker arm right front mounting plate 374 is not connected to the upper rocker arm 334 above it.

Further, the rocker on one side (e.g., left side) is provided with a left reinforcement plate 375 connecting the rear rocker left front mounting plate 372 and the rear rocker left rear mounting vertical beam 371, and the rocker 331 on the other side (e.g., right side) is provided with a right reinforcement plate 376 connecting the rear rocker right front mounting plate 374 and the rear rocker right rear mounting vertical beam 373.

From this, through arranging back rocking arm left side back installation vertical beam 371, back rocking arm left side front mounting panel 372, back rocking arm right back installation vertical beam 373 and back rocking arm right side front mounting panel 374, not only can provide the mounting point for the back rocking arm, and back rocking arm left side front mounting panel 372 and back rocking arm right side front mounting panel 374 adopt the breakaway design, two upper boundary beams 334 above back rocking arm left side front mounting panel 372 and back rocking arm right side front mounting panel 374 do not have the connection, but connect together with back rocking arm left side back installation vertical beam 371 and back rocking arm right back installation vertical beam 373 through left reinforcing plate 375 and right reinforcing plate 376 respectively, can increase local strength like this, make full use of the space on back rocking arm left side front mounting panel 372 and back rocking arm right side front mounting panel 374 upper portion, make different forms of power assembly arrange, and increased intensity, lightened weight.

As shown in connection with FIG. 3, the body of the ATV includes a left rear suspension 380 and a right rear suspension 390.

Specifically, the left rear suspension 380 includes a left axle mount 381, an upper left rocker arm 382, a lower left rocker arm 383, and a left shock absorber 384, the upper left rocker arm 382, the lower left rocker arm 383, and the left shock absorber 384 are all connected to the left axle mount 381, a front end of the upper left rocker arm 382 and a front end of the lower left rocker arm 383 are mounted to the rear rocker arm left front mounting plate 372, a rear end of the upper left rocker arm 382 and a rear end of the lower left rocker arm 383 are mounted to the rear rocker arm left rear mounting vertical beam 371, and an upper end of the left shock absorber 384 is mounted to the corresponding upper side beam 334.

The right rear suspension 390 comprises a right axle support, an upper right rocker, a lower right rocker and a right shock absorber, the upper right rocker, the lower right rocker and the right shock absorber are all connected to the right axle support, the front end of the upper right rocker and the front end of the lower right rocker are mounted on a rear rocker right front mounting plate 374, the rear end of the upper right rocker and the rear end of the lower right rocker are mounted on a rear rocker right rear mounting vertical beam 373, and the upper end of the right shock absorber is mounted on a corresponding upper side beam 334.

It will be understood by those skilled in the art that the specific structure of the right rear suspension 390 is not labeled for clarity of the drawing, and that the specific structure of the right rear suspension 390 may refer to the left rear suspension 380, which are symmetrically disposed in the left-right direction.

Wherein, the distance between the left rear mounting vertical beam 371 of the rear rocker arm and the right rear mounting vertical beam 373 of the rear rocker arm is in a decreasing trend from top to bottom. The rear rocker left rear mounting vertical beam 371 and the rear rocker right rear mounting vertical beam 373 thus provided can change the mounting axis positions of the upper left rocker 382 and the lower left rocker 383 and the mounting axis positions of the upper right rocker and the lower right rocker, so that the structural stability of the rear portion 33 can be improved, and the service life of the vehicle frame 30 can be prolonged.

In some specific examples of the present invention, as shown in fig. 8 and 13, a rear stabilizer left mounting seat 410 is provided at a lower end of the rear rocker left rear mounting vertical beam 371, a rear stabilizer right mounting seat 420 is provided at a lower end of the rear rocker right rear mounting vertical beam 373, a rear stabilizer 430 is connected between the rear stabilizer left mounting seat 410 and the rear stabilizer right mounting seat 420, and both ends of the rear stabilizer 430 are bent forward and connected to the left lower rocker 383 and the right lower rocker through a connecting rod 440, respectively. Therefore, the rear stabilizer bar left mounting seat 410 and the rear stabilizer bar right mounting seat 420 are arranged by utilizing the rear rocker arm left rear mounting vertical beam 371 and the rear rocker arm right rear mounting vertical beam 373, so that a fixing carrier is provided for the rear stabilizer bar 430, and the driving stability of the all-terrain vehicle is improved.

Further, the lower end of the rear rocker arm left rear mounting vertical beam 371 is provided with a left mounting plate 450, the lower end of the rear rocker arm right rear mounting vertical beam 373 is provided with a right mounting plate 460, a towing mounting seat 470 is arranged between the left mounting plate 450 and the right mounting plate 460, and the rear towing device 300 can be mounted on the towing mounting seat 470.

Wherein, the left mounting plate 450 is provided with a left avoiding hole 451, the right mounting plate 460 is provided with a right avoiding hole 461, and the rear stabilizer bar 430 passes through the left avoiding hole 451 and the right avoiding hole 461.

Further, as shown in fig. 14, a lower muffler mounting plate 480 is disposed between the left mounting plate 450 and the right mounting plate 460, and the lower muffler mounting plate 480 is disposed above the hitch mount 470. The upper portion of muffler 400 can be connected through shock-absorbing sleeve, bolt and nut and muffler on mounting panel 355, and the lower part of muffler 400 can be connected through shock-absorbing sleeve and disconnected neck bolt and muffler under mounting panel 480 to realize that the installation of muffler 400 is fixed, and do not occupy the inner space of frame 30, thereby reserve sufficient space for power compartment 20, in order to be suitable for the different power assembly of installation.

Through arranging left mounting panel 450 and right mounting panel 460 at the rear portion of frame 30, left mounting panel 450 and right mounting panel 460 are connected with rear rocker left rear installation vertical beam 371 and rear rocker right rear installation vertical beam 373, the centre is connected through mounting panel 480 under trailing mount pad 470 and the muffler, thereby the rear portion of frame 30 connects into a whole, intensity is higher, and left mounting panel 450 is equipped with the left side and dodges hole 451 and right mounting panel 460 is equipped with the right side and dodges hole 461, further structural strength has been increased, and weight is reduced, back stabilizer bar 430 passes from the left side and dodge hole 451 and the right side and dodge hole 461, the structure is compacter, space utilization is high.

The following description will exemplify the arrangement of various power assemblies 200 on the vehicle frame 30 according to the embodiment of the present invention.

Fig. 10 shows an arrangement of a hybrid powertrain including an engine 211, a rear propeller shaft 212, a differential 213, and the like. The engine 211 includes a CVT transmission system 214, an engine front leg 215, and an engine rear leg 216, the engine front leg 215 being fixed to the front mounting member 351 by bolts and nuts, and the engine rear leg 216 being fixed to the rear mounting member 333 by bolts and nuts. The frame 30 can be matched with different power assemblies after being subjected to platform formation, and the purpose can be achieved only by replacing different engine feet. The differential 213 is assembled by bolts from below to above, and the front upper portion is assembled with the differential carrier 352 by bolts and nuts.

The CVT transmission system 214 faces the left side of the vehicle body, the generator 217 faces the right side of the vehicle body, the intake manifold 218 faces the front of the vehicle body to improve the intake efficiency, the cylinder end 219 is inclined at a certain angle and faces the rear of the vehicle body to reduce the height space of the powertrain, and the exhaust port 2191 is inclined at a certain angle and faces the rear of the vehicle body to radiate the heat of the exhaust gas rearward to reduce the influence of the heat on the cabin 10.

Fig. 11 shows an arrangement of the extended range power train, which includes an engine 211, a cylinder end 219, an exhaust port 2191, a generator 217, a power take-off 221, a motor 222, a transmission 223, a differential 213, and the like.

Wherein, generator 217 is towards the place ahead of automobile body, and gas vent 2191 is towards the left side of automobile body, and motor 222 arranges directly over differential 213, and this kind of arrangement compact structure has make full use of the space arrangement motor 222 above differential 213, because the size of motor 222 directly becomes positive correlation with motor power to make the power and the moment of torsion of whole car all obtain great promotion.

Fig. 12 shows an arrangement of a fuel-fired powertrain including an engine 211, an exhaust port 2191, a gear box 231, a differential 213, a CVT transmission 214, etc.

Wherein, gear box 231 is towards the left side of automobile body, CVT variable speed system 214 is towards the right side of automobile body, and exhaust port 2191 is towards the rear of automobile body to make things convenient for arranging of muffler 400, differential 213 merges as an organic wholely with engine 211, and overall structure is compact, and the integrated level is high, and occupation space is little.

The above different arrangement schemes of the powertrain 200 are implemented on the frame 30, and the left rear suspension 380, the right rear suspension 390, the rear stabilizer bar 430 and the rear towing device 300 do not need to be modified, so as to implement flexible layout of the product line of the whole vehicle.

According to the all-terrain vehicle body provided by the embodiment of the invention, the platform and modularization of the power compartment 20 of the vehicle frame 30 are realized, the arrangement of different power assemblies is fully considered, the fuel oil type power assemblies with different discharge capacities, the hybrid power assemblies with different powers and the like can be compatible, sufficient space is reserved in a foreseeable manner, the installation of the power assemblies is solved, and the set of suspension system and the rear stabilizer bar 430 are completely unified, namely different power assemblies are matched, and the set of suspension system is completely consistent. Due to the platform of the frame 30, the later product line expansion and iteration process is accelerated, the research and development efficiency is improved, the cost in the aspects of research and development, manufacture, management and the like is reduced, the consistency of products is effectively ensured, the fault rate of each part system can be effectively controlled, and the product quality is improved.

In addition, the design of the power cabin 20 fully considers the arrangement of the rear suspension system, the space design is compact, various suspended motion parameters are effectively optimized, the off-road performance of the vehicle is improved, the driving comfort is improved, and the reliability of the rear suspension system is improved.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An all terrain vehicle body, comprising:

the power assembly comprises a frame, a power assembly and a power assembly, wherein the frame comprises a front part, a middle part and a rear part which are sequentially connected, the rear part is provided with a power cabin for placing the power assembly, the front part comprises a lower mounting frame and an upper supporting frame, the lower mounting frame is connected with the middle part, and the upper supporting frame is detachably connected with the lower mounting frame and the middle part;

a seat bracket detachably disposed within the middle portion and defining a mounting space for a plurality of components with a bottom of the middle portion.

2. The all-terrain vehicle body of claim 1, characterized in that the middle portion comprises: the inner longitudinal beam is positioned on the inner side of the outer side pipe, the bottom plate is connected between the outer side pipe and the inner longitudinal beam, and the bottom plate forms the bottom of the installation space.

3. The all-terrain vehicle body of claim 2, characterized in that there are two of said inner longitudinal beams, two of said inner longitudinal beams being disposed laterally opposite each other, the two inner longitudinal beams defining a mounting space for a drive shaft of the all-terrain vehicle.

4. The all-terrain vehicle body of claim 3, characterized in that a brace bar is connected between two of the inner side rails.

5. The all-terrain vehicle body of claim 3, characterized in that the middle portion further comprises: the inner cross beam is connected between the inner longitudinal beam and the outer side tube, the bottom plate is connected between the outer side tube, the inner longitudinal beam and the inner cross beam, a part of the outer side tube, the inner cross beam and a part of the inner longitudinal beam form a groove on the bottom plate, and the groove is a part of the installation space.

6. The all-terrain vehicle body of claim 5, characterized in that the middle portion further comprises: the inner oblique beam is connected between the inner longitudinal beam and the outer side pipe and located in front of the inner transverse beam, and the inner oblique beam extends forwards and forwards along the direction from the inner longitudinal beam to the outer side pipe.

7. The all-terrain vehicle body of claim 3, wherein the outer tube comprises a plurality of outer tubes connected in series, the outer tube on a front side being connected to a front end of the inner rail, and the outer tube on a rear side being connected to a rear end of the inner rail.

8. The all-terrain vehicle body of claim 7, wherein the plurality of outer tubes comprises: the first outer side pipe, the second outer side pipe and the third outer side pipe are two and are distributed in two, the first outer side pipe is obliquely connected between the inner longitudinal beam and the second outer side pipe, and the third outer side pipe is connected with two, namely the rear end and two ends of the inner longitudinal beam are respectively connected with the second outer side pipe.

9. The all-terrain vehicle body of claim 8, wherein the middle portion further comprises: preceding pipe chute and anterior support frame, anterior support frame is connected on the first outside pipe, preceding pipe chute is by supreme slope extension that inclines down, the lower extreme detachably of preceding pipe chute is connected first outside pipe with the junction of second outside pipe, the upper end of preceding pipe chute is connected the upper portion of anterior support frame.

10. The all-terrain vehicle body of claim 9, characterized in that the middle portion further comprises: the rear inclined tube is inclined backwards and extends from bottom to top, the lower end of the rear inclined tube is connected to the rear end of the second outer side tube, and the upper portion of the rear inclined tube is connected with the upper cross beam together.

11. The all-terrain vehicle body of claim 10, characterized in that the first outer tube, the second outer tube, the third outer tube, the forward down tube, and the rearward down tube are separate pieces of one another, and each has a rectangular cross-section.

12. The all-terrain vehicle body of claim 9, wherein the middle portion further includes a steering wheel bracket connected to the front support bracket and a shift bracket welded to the steering wheel bracket.

13. The all-terrain vehicle body of claim 10, further comprising:

the anti-rolling frame is arranged on the middle part, and the cab is defined by the anti-rolling frame and the middle part together.

14. The all-terrain vehicle body of claim 13, characterized in that the roll cage comprises:

and the side wall lever is connected with the rear inclined tube and is connected with the front inclined tube into a closed ring shape.

15. The all-terrain vehicle body of claim 14, wherein the side rail bar comprises:

the front upper pipe section extends to the top and the front of the cockpit, and the lower end of the front upper pipe section is connected with the upper end of the front inclined pipe;

the rear pipe section extends to the rear part of the cockpit, the upper end of the rear pipe section is connected with the rear end of the front upper pipe section, and the lower part of the rear pipe section is connected to the rear inclined pipe;

the lower pipe section extends to the bottom of the cockpit, the front end of the lower pipe section is detachably connected with the lower end of the front inclined pipe, and the rear end of the lower pipe section is detachably connected with the lower end of the rear pipe section.

16. The all-terrain vehicle body of claim 15, characterized in that the lower tube section comprises a horizontal section and an inclined section connected in series, a front end of the horizontal section being detachably connected to a lower end of the front down tube, the inclined section extending obliquely rearward and upward from the horizontal section, and a rear end of the inclined section being connected to a lower end of the rear tube section.

17. The all-terrain vehicle body of claim 10, characterized in that the roll cage further comprises:

the side wall bars are two and distributed on two sides of the cockpit, and the side wall bars are connected between the two side wall bars.

18. The all-terrain vehicle body of claim 1, characterized in that the rear portion includes two sill beams, both of which are connected at the rear of the central portion, the spacing between the two sill beams decreasing from front to rear.

19. The all-terrain vehicle body of claim 18, characterized in that a third outer tube is attached to the front ends of the two lower side beams, the third outer tube being provided with a front mounting member for mounting a powertrain.

20. The all-terrain vehicle body of claim 19, wherein a rear sill is connected between each of the lower side rails and the third outer side tube.

21. The all-terrain vehicle body of claim 18, characterized in that an intermediate cross member is further connected between the two lower side members, the intermediate cross member being provided with a rear mounting member for mounting the powertrain.

22. The all-terrain vehicle body of claim 21, wherein the powertrain includes an engine, and the rear mounts are two and spaced apart.

23. The all-terrain vehicle body of claim 18, characterized in that a removable differential carrier is connected between the two lower side beams.

24. The all-terrain vehicle body of claim 18, characterized in that a rear floor panel is connected between the two rocker beams.

25. The all-terrain vehicle body of claim 24, wherein the rear floor panel is configured with two longitudinal reinforcing ribs and a plurality of transverse reinforcing ribs, the distance between the two longitudinal reinforcing ribs gradually increases from rear to front, the plurality of transverse reinforcing ribs are spaced apart in a front-rear direction, two ends of each transverse reinforcing rib are respectively connected to the two longitudinal reinforcing ribs, the transverse reinforcing ribs are provided with differential mounting holes, and the longitudinal reinforcing ribs are provided with dimples.

26. The all-terrain vehicle body of claim 18, wherein the rear portion further comprises two roof rails attached to the rear portion of the central portion, the two roof rails being positioned above the two lower roof rails, the spacing between the two roof rails decreasing from front to rear.

27. The all-terrain vehicle body of claim 26, further characterized in that a removable intermediate cross bar is disposed between the two roof rails, the intermediate cross bar being provided with a top mount for mounting a powertrain, the powertrain including an engine, the top mount for securing a cylinder head of the engine.

28. The all-terrain vehicle body of claim 26, characterized in that a rear upper cross member and a detachable cross bracket are provided between the two upper side members, both ends of the rear upper cross member being connected to the rear ends of the two upper side members, respectively, the cross bracket being positioned in front of the rear upper cross member, the rear upper cross member being provided with a muffler upper mounting plate.

29. The all-terrain vehicle body of claim 26, characterized in that a rear rocker left rear mounting vertical beam is connected between the upper side beam and the lower side beam on one side, and the lower side beam is provided with a rear rocker left front mounting plate which is positioned in front of and disconnected from the rear rocker left rear mounting vertical beam;

and a rear rocker arm right rear mounting vertical beam is connected between the upper edge beam and the lower edge beam on the other side, and the lower edge beam is provided with a rear rocker arm right rear mounting vertical beam front mounting plate disconnected with the upper edge beam.

30. The all-terrain vehicle body of claim 29, wherein the side rocker is provided with a left reinforcement plate connecting the rear rocker left front mounting plate and the rear rocker left rear mounting vertical beam;

and the lower edge beam positioned on the other side is provided with a right reinforcing plate which is connected with the rear rocker arm right front mounting plate and the rear rocker arm right rear mounting vertical beam.

31. The all-terrain vehicle body of claim 29, further comprising:

the left rear suspension comprises a left axle support, an upper left rocker arm, a lower left rocker arm and a left shock absorber, the upper left rocker arm, the lower left rocker arm and the left shock absorber are all connected to the left axle support, the front end of the upper left rocker arm and the front end of the lower left rocker arm are mounted on a front left mounting plate of the rear rocker arm, the rear end of the upper left rocker arm and the rear end of the lower left rocker arm are mounted on a rear left mounting vertical beam of the rear rocker arm, and the upper end of the left shock absorber is mounted on a corresponding upper edge beam;

the right rear suspension comprises a right wheel axle support, an upper right rocker arm, a lower right rocker arm and a right shock absorber, the upper right rocker arm, the lower right rocker arm and the right shock absorber are connected to the right wheel axle support, the front end of the upper right rocker arm and the front end of the lower right rocker arm are mounted on the front right mounting plate of the rear rocker arm, the rear end of the upper right rocker arm and the rear end of the lower right rocker arm are mounted on a vertical beam mounted on the right rear of the rear rocker arm, and the upper end of the right shock absorber is mounted on a corresponding upper edge beam.

32. The all-terrain vehicle body of claim 31, wherein a rear stabilizer left mounting seat is provided at a lower end of the rear rocker left rear mounting vertical beam, a rear stabilizer right mounting seat is provided at a lower end of the rear rocker right rear mounting vertical beam, a rear stabilizer is connected between the rear stabilizer left mounting seat and the rear stabilizer right mounting seat, and two ends of the rear stabilizer are respectively connected with the left lower rocker and the right lower rocker through a connecting rod.

33. The all-terrain vehicle body of claim 32, characterized in that a left mounting plate is provided at a lower end of the rear rocker arm left rear mounting vertical beam, a right mounting plate is provided at a lower end of the rear rocker arm right rear mounting vertical beam, and a hitch mount is provided between the left mounting plate and the right mounting plate.

34. The all-terrain vehicle body of claim 33, characterized in that the left mounting plate is provided with a left relief hole, the right mounting plate is provided with a right relief hole, and the rear stabilizer bar passes through the left and right relief holes.

35. The all-terrain vehicle body of claim 33, further comprising a lower muffler mounting plate disposed between the left mounting plate and the right mounting plate, the lower muffler mounting plate being positioned above the hitch mount.

36. The all-terrain vehicle body of claim 29, wherein a spacing between the rear rocker arm left rear mounting vertical beam and the rear rocker arm right rear mounting vertical beam decreases from top to bottom.

37. The all-terrain vehicle body of claim 26, characterized in that an upper cross member is connected between the front ends of the two upper side members, and the upper cross member and the upper side member on the right side are provided with a controller bracket on which a controller is mounted.

38. The all-terrain vehicle body of claim 1, wherein the lower mount comprises: the rocker arm bracket and the bottom metal plate;

the middle portion further comprises: the rocker arm bracket is connected to the front end of the bottom metal plate and the front end of the front support frame;

the lower end of the upper supporting frame is detachably mounted on the bottom metal plate, and the rear end of the upper supporting frame is detachably mounted on the front supporting frame.

39. An all-terrain vehicle, characterized in that it comprises the body of the all-terrain vehicle of any of claims 1-38.